Periwwa oiw is an edibwe vegetabwe oiw derived from periwwa seeds. Having a distinct nutty aroma and taste, de oiw pressed from de toasted periwwa seeds is used as a fwavor enhancer, condiment, and cooking oiw in Korean cuisine.[1] The oiw pressed from untoasted periwwa seeds is used for non-cuwinary purposes.[1]

In Korean cuisine, periwwa oiw and sesame oiw are de two chief oiws used in fwavoring, sauces, and dips.[8] Usuawwy made from toasted periwwa seeds, de oiw is used as a fwavor enhancer, condiment, and cooking oiw. Eider sesame or periwwa oiw can be used for fwavoring namuw (vegetabwe side dishes) and oder sides, pan-frying jeon (pan-fried dishes), coating gim (waver) before roasting it, and forming de fwavor base for dipping sauce. Specificawwy, periwwa oiw is more common in de soudern part of Korea as periwwa is cuwtivated more easiwy in de warmer areas.[8] Nowadays, periwwa oiw is used in Korean-stywe western food as weww. A Michewin-starred restaurant in Seouw serves nutty vaniwwa ice cream which has periwwa oiw as its "secret ingredient."[9]

Periwwa oiw made from untoasted seeds can be used for non-cuwinary purposes, incwuding in paint, varnish, printing ink and winoweum.[5] As a drying oiw simiwar to tung oiw or winseed oiw, periwwa oiw has been used for paints, varnishes, winoweum, printing ink, wacqwers, and for protective waterproof coatings on cwof. Periwwa oiw can awso be used for fuew. It is used awong wif syndetic resins in de production of varnishes. It dries faster dan winseed oiw and on drying forms a fiwm dat is harder[citation needed] and yewwows more dan dat formed by winseed oiw. The paint and varnish industry accounts for de wargest usage. Periwwa oiw is awso important in de manufacture of printing inks and winoweum, and in more ancient times was a criticaw component in creating durabwe earden fwoors.

In Japan, periwwa oiw was important for fuewing oiw wamps untiw earwy 16f century, before it was overtaken by rapeseed oiw.[10] The oiwseed contains drying oiw ewements and was imported in buwk as a substitute for winseed oiw into de United States from Japan, untiw de suppwy was interrupted by war.[11]

In Korea, periwwa oiw pressed from de untoasted seeds were used to fuew wamps and to oiw fwoor papers.[1]